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The Palm Abbe ethylene glycol refractometer automatically calibrates itself to water and is ready to use in seconds
Red Sea’s Refractometer display
Measure your water and grounds before you brew
0 mg/L (ppm Winkler) HI 93732-01
MILWAUKEE INSTRUMENTS MA887 Digital Seawater Refractometer, MA887 REFURBISHED Drs Foster and Smith The Palm Abbe ethylene glycolItem Description: MILWAUKEE INSTRUMENTS MA887 Digital Refractometer for Seawater Measurements REFURBISHED SPECIFICATIONS Range 0 to 50 PSU 0 to 150 ppt 1. 000 to 1. 114 S. G. (20 20) 0 to 80C 32 to 175F Resolution 1 PSU 1 ppt 0. 001 S. G. (20 20) 0. 1C 0. 1F Accuracy 2 PSU 2 ppt 0. 002 S. G. (20 20) 0. 3C 0. 5F Light Source Yellow LED Measurements Time Approximately 1. 5 seconds Minimum Sample Volume 100 L (cover prism totally) Sample Cell SS ring and
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